Datasheet TL431KB (MCC) - 3

TL431KB Figure 1. Test Circuit for VKA = Vref Figure 2. Test Circuit for VKA > Vref Figure 3. Test Circuit for Ioff
Input V Input V Input V KA KA KA I I K I off K R1 Iref Vref R2 V + V ǒ 1)R1 Ǔ)I S R1 KA ref R2 ref Vref
APPICATION INFORMATION 1. Shunt Regulator
Note A : R Should provide cathode current 1mA to the TL431 at minimum VI(BATT)
2. Output Control of a Three-Terminal Fixed Regulator
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